Previous UPSC interviews provide valuable insights for aspiring candidates by showcasing real-life experiences and questions faced by successful candidates. Analyzing past interviews helps aspirants understand the panel's expectations regarding personality, presentation, and current affairs knowledge. Candidates can identify common questions and practice effectively. Furthermore, learning about interviewee responses aids in developing a unique articulation style and boosts confidence. Engaging with alumni or working in peer groups can offer diverse perspectives and strategies, further enhancing an aspirant's preparation for the interview.